public class PhoneCard {
    long cardNumber;
    int psaawd;
    double balance;

    public PhoneCard(){
      this(123456L,123456);
      System.out.println("调用另一个构造函数");
    }

    public PhoneCard(long p_cardNumber,int p_passwd){
        cardNumber=p_cardNumber;
        psaawd = p_passwd;
    }

    public static void main(String[] args) {
        PhoneCard phoneCard = new PhoneCard(123456789L,123466);
        System.out.println(phoneCard.cardNumber+"\t"+phoneCard.psaawd);
    }
}
